/Engine/Plugins/Experimental/PlatformCrypto/Source/PlatformCryptoTypes/Public/PlatformCryptoTypes.h
typedef [EPlatformCryptoResult](API\Plugins\PlatformCryptoTypes\EPlatformCryptoResult)(const [TArrayView](API\Runtime\Core\Containers\TArrayView)< const uint8 >, const [TArrayView](API\Runtime\Core\Containers\TArrayView)< uint8 >, int32 &) FBlockHandlerFunctionSignature